Knob attachment



(No Model.)

H. J.. P. WHIPPLE KNOB ATTACHMENT.

Patented Apr. 5,1898.

MInvento-r; *1

ing means.

NITED STATES PATENT OFFICE.

HENRY J. P. WHIPPLE, OF NEW HAVEN, CONNECTICUT.

KNOB ATTACHMENT.

SPECIFICATION forming part of Letters Patent No. 601,724, dated April 5,1898 Application filed June 25, 1897. Serial No. 642,246. (No model.)

To all whom it may cancer-m. I

Be it known that I, HENRY J. P. WHIPPLE, a citizen of the United States,residing at New Haven, in the county of New Haven and State ofGonnecticut,have invented certain new and useful Improvements in KnobAttachments; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

Myinvention relates to an improvementin knob attachments, and has forits object to provide simple but effective means for securing anaccurate adjustment of the parts to prevent end thrust of theknob-spindle regardless of the thickness of the door to which it isapplied, which means can be operated .quickly and conveniently to securethe desired adjustment and can be manufactured at a considerably lesscost than the various forms of means heretofore employed for thispurpose.

To this end my invention consists in the knob attaching and adjustingmeans hereinafter fully described,and particularly pointed out in theclaims.

Referring to the drawings, in which like numerals designate like partsin the several views, Figure 1 is a side view, partly in longitudinalsection, of a pair of knobs applied to a door in accordance with myinvention. Fig. 2 is a longitudinal section showing the adjusting meansdevised by me at one end of the knob-spindle. Fig. 3 is a side view of.the adj Listing-sleeve forming partof such adj ust- Fig. 4 is an endview of said sleeve. Fig. 5 is a plan view of a slightlymodified form ofthe locking-detent. is a side View of the detent shown in Fig. {5. Fig.7 is a side view of the form of adjustingsleeve used with the detentshown in Figs. 5 and 6.

The numeral 1 designates a portion of a door which is bored, as usual,to permit the knob-spindle 2. to be passed through it. Said spindle 2 isor may be of theusual-rectangular form in cross-section,containing aseries of notches near one end to receive the latch 3 on the neck of.the knob 4 to enable said knob to be adj ustably secured upon the spin-Fig. 6

dle in the usual manner. It is to compensate the supplementaryadjusting. means of the class to which my invention appertains isapplied to the knob connection at the opposite end of the spindle.

In the practice of my invention I locate upon the neck 5 ofthe knob 6 anadjustingsleeve 7, which bears at its inner end against the bottom ofthe socket 8- in the rose 9, as shown in Fig. 2, and is engaged at itsouter end by a depressible detent on said neck and provide means,located either upon said outer end ofsaid sleeve or upon said'detent,for securing longitudinal adjustment of the sleeve upon the neck. Asshown in Figs. 1 to 4, inclusive, th sleeve-7 is provided at its outerend with a seriesof depressions or notches 10 of aprogressively-increasing depth, and the detent 12 is located within arecess 13 in the outer surface of the neck, it having a stem or shank14., which enters a socket 15, extending transversely into the neck andspindle, a spring 16 between said shank or stem and the bottom of saidsocket serving to exert outward pressure against the detent. Said detentis provided with a rounded shoulder 17 at its inner end, which isadapted to' fill either of the notches 10 in thesleeve when caused toregister therewith by turning the sleeve, while at its extreme end itprojects within the sleeve, as shown in Fig. 2, whereby the sleeveagainst accidental displacement of the sleeve from the neck by formingthe neck with a circumferential groove or depression 18 of sufficientwidth to permit of the required longitudinal movement of the sleevethereon and by providing the sleeve with an internal projection 19 toenter such groove or depression,.it being led into the latter through aguiding-notch 20, leading from the groove 18 t0 the inner end of theneck, as shown in Fig. 2. The usual rivet 21 secures the neck 5 of knob6 to the spindle 2.

In assembling the parts just described the end of the spindle 2 isinserted within the neck 5 and riveted. The stem 14 of detent 12 isinserted within the socket 15, spring 16 having first been dropped intosaid socket. The detent is depressed within recess 13 of the neck untilits outer face is flush with the circumferential surface of the latterand is held in such position by the finger or thumb of one. hand, andwith the other hand the operator applies the sleeve '7 to the spindle,passes its projection 19 through the notch 20 into the groove ordepression 18, thereby causing its outer end to overlap the inner end ofthe depressed detent, and imparts to it a slight turning movement tomove the projection 10 out of alinement with the said notch 20. Thenthus assembled, the parts are retained in their operative positionswithout danger of being displaced and lost either in packing andshipment or handling the same previous to their being applied to a door.

In applying the knobs to a door the spindle 2, having the knob 6 securedthereto, as just described, is thrust through the hole in the door andinto the neck of knob i, and latch 3 is lowered into one of the notchesin the spindle. The spindle is then moved 1ongitudinally, by graspingknob 6, to cause the latch 3 of knob 4: to enter within the flange 22 ofrose 23, as shownin Fig. 1, and sleeve 7 is thrust against the bottom ofthe socket 8 in rose 9 and is revolved to move into register with detent12 that one of its end depressions or notches 10 which by engaging theshoulder 17 on the detent will lock it in such position.Theprogressively-increasingdepth of said notches or depressions 1Oenables a very accurate adjustment to be secured by said detent andsleeve to prevent any end thrust of the spindle in the beginning and tocompensate for any which may develop by wear of the parts.

To remove the knobs from the door, it is necessary simply to depress thedetent, slide the adj usting-sleeve outwardly upon the neck 5, thrustthe spindle in the opposite direction to uncover the latch 3, raise saidlatch, and withdraw the knob 4.

It will be observed that both operations of applying the knobs to andremoving them from a door can be performed very quickly and convenientlyand without the use of tools of any sort.

In Figs. 5, 6, and 7 I have shown asligh'tlymodified form of theinvention, in which the detent 24 bears upon its outer face a series ofshoulders 27, located at progressively-increasing distances from itsinner end, as shown, and the adjusting-sleeve 25 has a single notch orrecess 26 in its outer edge to receive the detent, and thereby preventthe sleeve from turning on the neck. The detent 24 is supported upon theneck 5 in the same manner as the detent 12, and the adj ustment of theposition of the sleeve upon the neck is secured by varying theparticular shoulder upon said detent which engages the end of thesleeve.

As the first-described form of the invention secures a wider range ofadjustment for the sleeve than is possible with the last-described form,unless the size of the detent be unduly increased, I prefer to utilizesuch form in most cases.

Attention is called to the fact that in both of the forms of theinvention herein shown I entirely avoid the use of screw-threads uponeither theknob, neck, or the sleeve, and thereby eftect a materialsaving in the cost of manufacture over previous devices of thischaracter, besides being enabled to use very thin sheet metal for theadj usting-sleeve, thus lessening the cost of material.

The adjusting means herein described present a pleasing and ornamentalappearance when applied to the door.

It is obvious that various other modifications in the details ofconstruction herein shown and described can be made within the spirit ofthe invention.

Having thus fully described my invention, what I claim, and desire tosecure by Letters Patent, is

1. The combination with a door-knob neck, of a sleeve mount-ed upon saidneck and adapted for a free sliding movement longitudinally of thelatter, and a detent upon said neck adapted to make contact with saidsleeve to limit its movement, one of said two contacting parts beingprovided with a plurality of contact-surfaces located at varyingdistances from the inner end of the neck, to hold the sleeve indifferent positions upon the latter, substantially as described.

2. The combination with a door-knob neck, of a sleeve mounted upon saidneck and proj ecting at its inner end beyond the end of the latter, saidsleeve being free to move longitudinally upon the neck and beingprovided with a plurality of engaging surfaces located at varyingdistances from its inner end, and adetent upon the neck adapted toengage said surfaces on the sleeve interchangeably, substantially as andfor the purpose described.

3. The combination with the neck of a doorknob, of a sleeve looselymounted upon said neck and projecting at its inner end beyond the end ofthe latter, said sleeve having in its outer end a series of notches ordepressions of a progressi vely-varying depth,and a sprin gactuateddetent radially movable upon the neck and adapted, in its outermostposition, to engage the notches or depressions in said sleeve,substantially as described.

4. The combination with the neck of a doorknob having located thereon aradially-movable, spring-actuated detent the outer face of which isshouldered as described, of a sleeve loosely mounted upon said neck andoverlapping at its outer end said detent, said sleeve having in its saidouter end a series of notches or depressions of varying depth to receivethe IIO shoulder on the detent, substantially as set forth.

5. The combination with a door-knob neck provided with acircumferentialgroove or recess and with a longitudinal notch or recess leadingtherefrom to the end of said neck, of a detent having a stem or shankwhich enters a transverse socket in said neck and having its outer faceprovided with a shoulder as described, a spring located in said socketand exerting outward pressure against the stem of said detent, and asleeve loosely mounted upon said neck and overlapping said detent at oneend, said sleeve being provided with an internal projection to enter thecircumferential groove in the neck and-having at the end thereof whichoverlaps said detent a series of notches or depressions of varying depthto receive the shoulder on the latter, substantheend of said neck andhaving in its outer end the series of notches 10 of varying depth,substantially as described.

Intestimony whereof I affix my signature in presence of two witnesses.

HENRY J. P. WHIPPLE. Witnesses: WM. H. CHAPMAN,

GEORGE E. HALL.

